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The WCF 4" intake resonator pipe from Wehrli Custom Fab for 2020–2025 L5P 6.6L Duramax Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks replaces the stock plastic turbo resonator box with a mandrel-bent aluminum pipe to clean up the engine bay and reduce airflow restriction. It removes silencers for a more aggressive turbo and engine sound, retains the OEM air filter panel, requires no tuning and installs with basic hand tools. Replaces GM part numbers listed.
Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box) - Gloss Black
